263018288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74383}}^1$

素因数の和:74421

約数の個数: 40

約数和(自身を含む): 581087808

約数和(自身を除く): 318069520

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 74383, 148766, 297532, 595064, 966979, 1190128, 1264511, 1933958, 2529022, 3867916, 5058044, 7735832, 10116088, 15471664, 16438643, 20232176, 32877286, 65754572, 131509144, 263018288]

約数ペア:

[(1, 263018288), (2, 131509144), (4, 65754572), (8, 32877286), (13, 20232176), (16, 16438643), (17, 15471664), (26, 10116088), (34, 7735832), (52, 5058044), (68, 3867916), (104, 2529022), (136, 1933958), (208, 1264511), (221, 1190128), (272, 966979), (442, 595064), (884, 297532), (1768, 148766), (3536, 74383)]